April 17th, 1420

Born on April 17th, 1420

Age in days, weeks and months
Wow, over 220,000 days old!

Why not celebrate an alternative birthday? In 381 days, exactly on May 15th, 2025, people who were born on April 17th, 1420 will be 221,000 days old!

... in seconds, minutes and hours

What happened on April 17th?

April 17th, 2014

NASA announced the discovery of Kepler-186f, the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.

April 17th, 1986

Having supposedly been at war for 335 years without a single shot having been fired and no casualties incurred, the Netherlands and the Isles of Scilly declared peace.

April 17th, 1984

Metropolitan Police officer Yvonne Fletcher was shot and killed while on duty during a protest outside the Libyan embassy in London, resulting in an 11-day police siege of the building and a breakdown of Libya–United Kingdom relations.

April 17th, 1975

The Khmer Rouge captured Phnom Penh, the capital of the Khmer Republic, ending the Cambodian Civil War and establishing the socialist state of Democratic Kampuchea.

April 17th, 1973

George Lucas began writing a 13-page film treatment that later formed the basis of Star Wars.

April 17th, 1969

Sirhan Sirhan was convicted of the assassination of United States Senator Robert F. Kennedy.

April 17th, 1951

The Peak District was designated the first national park in the United Kingdom.

April 17th, 1907

Minas Geraes (pictured), the first of three Brazilian dreadnought battleships, was laid down, sparking a vastly expensive South American naval arms race with Argentina and Chile.

April 17th, 1809

Napoleonic Wars: After a three-day chase, the French ship D'Hautpoul was captured off Puerto Rico by a British squadron under Alexander Cochrane.

April 17th, 1797

French Revolutionary Wars: British forces commanded by Lieutenant-General Ralph Abercromby invaded the Spanish colonial port of San Juan, Puerto Rico.

April 17th, 1783

The Mechanical Turk, a fraudulent chess-playing "machine" by Wolfgang von Kempelen that was secretly controlled by a hidden human, began a tour of Europe.

April 17th, 1362

Lithuanian Crusade: After a month-long siege, forces of the Teutonic Order captured and destroyed Kaunas Castle (reconstruction pictured), which was defended by troops of the Grand Duchy of Lithuania.

April 17th, 1080

Canute IV became King of Denmark upon the death of his brother Harald III.

April 17th, 2021

The funeral of Prince Philip, Duke of Edinburgh, takes place at St George's Chapel, Windsor Castle.

April 17th, 2014

NASA's Kepler space telescope confirms the discovery of the first Earth-size planet in the habitable zone of another star.

Birthdays
... of famous people, actors, celebrities and stars on April 17th

Same Day
Who's birthday is on April 17th?

63

Pete Shelley

British singer-songwriter (1955–2018)

*April 17th, 1955, Leigh †December 6th, 2018, Tallinn

57

Timothy Gibbs

American actor

*April 17th, 1967, Calabasas

73

Horst Hrubesch

German association football player and manager

*April 17th, 1951, Hamm

65

Sean Bean

English actor

*April 17th, 1959, Handsworth

67

Nick Hornby

English novelist

*April 17th, 1957, Redhill

87

Alain Poher

French politician (1909-1996)

*April 17th, 1909, Ablon-sur-Seine †December 9th, 1996, Paris

61

Roddy Piper

Canadian professional wrestler (1954-2015)

*April 17th, 1954, Saskatoon †July 31st, 2015, Hollywood

37

Medhi Benatia

Moroccan and French footballer

*April 17th, 1987, Courcouronnes

52

Jennifer Garner

American actress

*April 17th, 1972, Houston

82

David Bradley

British actor

*April 17th, 1942, York

32

Jasper Stuyven

Belgian cyclist

*April 17th, 1992, Leuven

50

Victoria Beckham

English businesswoman, fashion designer and singer

*April 17th, 1974, Harlow

43

Chris Thompson

British long-distance runner

*April 17th, 1981, Barrow-in-Furness

54

Pascale Arbillot

French actress

*April 17th, 1970, France

78

Thornton Wilder

American playwright and novelist (1897–1975)

*April 17th, 1897, Madison †December 7th, 1975, Hamden

84

Sirimavo Bandaranaike

Prime Minister of Ceylon (later Sri Lanka) from 1960–65, 1970–77, 1994–2000

*April 17th, 1916, Baḷangoḍa †October 10th, 2000, Colombo

63

William Holden

American actor (1918–1981)

*April 17th, 1918, O'Fallon †November 12th, 1981, Santa Monica

83

Lagle Parek

Estonian politician

*April 17th, 1941, Pärnu

59

Rebecca Luker

American actress, singer and recording artist

*April 17th, 1961, Helena †December 23rd, 2020, Manhattan

83

Andrea Gritti

Doge of Venice (1455-1539)

*April 17th, 1455, Bardolino †December 28th, 1538, Venice

Same year
Born in 1420

54

Albrecht von Eyb

German humanist

*August 24th, 1420, Ansbach †May 3rd, 1475, Eichstätt

50

George of Poděbrady

Czech king, warrior and nobleman

*April 23rd, 1420, Poděbrady †March 22nd, 1471, Old Town

62

William VIII, Marquess of Montferrat

Marquess of Montferrat

*July 19th, 1420, Casale Monferrato †February 27th, 1483, Casale Monferrato

70

Dorothea of Brandenburg, Duchess of Mecklenburg

Princess of Brandenburg by birth and by marriage Duchess of Mecklenburg

*February 9th, 1420, Berlin †January 19th, 1491, Prämonstratenserinnenstift Rehna

59

Bernardo Bandini

Italian merchant

*January 15th, 1420, Florence †December 29th, 1479, Florence

53

Michael Beheim

German singer

*September 29th, 1420, Obersulm †January 1st, 1474

Birthdays of famous people

Public holidays on April 17th

Fixed holidays (Christian feast day) which are celebrated on April 17th.

Date as a Roman numeral / digit

Leap year

Yes: 1420 is a leap year, therefore has a 29th of February with an additional leap day and a total of 366 days (instead of the usual 365 days in a normal year).

Calendar
April 1420